Gaya APA
Azar, Betty S.. (2009).
Understanding and Using English Grammar (4th Edition).
:
Pearson.
Gaya Chicago
Azar, Betty S..
Understanding and Using English Grammar.
4th Edition
:
Pearson,
2009.
Text.
Gaya MLA
Azar, Betty S..
Understanding and Using English Grammar.
4th Edition
:
Pearson,
2009.
Text.
Gaya Turabian
Azar, Betty S..
Understanding and Using English Grammar.
4th Edition
:
Pearson,
2009.
Print.